A Thesis Submitted for the PhD Degree in Education (Educational psychology), in Ain Shams University, Faculty of Women, Department of Psychology. This study aims to study the impact of the proposed training program for developing EFL Reading Comprehension (IV) and one of DA methods (IV) on learners\\\' performance (DV) and learners\\\' ZDP (DV) on reading comprehension on EFL. The sample of the study: It consists of 3 samples: calibration sample (1623 students), linking test forms sample (93 students), and main study sample (443 students). The later sample contains 3 groups: experimental group and 2 comparison groups. The Most Important Results of the Study are:- The experimental group surpassed the two comparison groups on the level of RC and its ZDP.- The experimental group surpassed the two comparison groups on the level of Direct skills of RC and its ZDP.- The experimental group surpassed the second comparison groups on the level of Higher order skills of